Method:

1. Cream together softened butter with the white sugar and salt in a bowl, until light and fluffy.
2. Beat in the egg until fully incorporated.
3. Sieve together the flour, cocoa powder, and baking soda into the mix.
4. Mix together dry ingredients and wet ingredients, until combined.
5. Turn the dough out onto your surface and push together into a flat square. Wrap the dough in plastic wrap and refrigerate for at least 1 hour.
6. Preheat oven to 325˚F (160˚C).
7. Remove the dough from the fridge, and for ease of rolling out, to roll out the dough, place a half of the dough between two sheets of parchment paper.
8. Roll the dough between the two sheets of parchment to ¼-inch (½ cm) thickness.
9. Cut the dough into individual rectangle (2.5 by 10 cm) and place them on a parchment-lined baking sheet, leaving space (1¼ cm) between each bar.
10. Bake in a preheated oven for 15 minutes.
11. pipe a the O’Sesame classic on top of the cool baked bars and then garnish them with the nuts and seeds and dried fruits.
12. Melt the chocolate on the microwave and drizzle the melted chocolate on top of the bars. You can deep the bars into melted chocolate as well.